Home / 28,406.41-39,200.08-16,306.54

Finding the Fourth Proportional to 28,406.41, 39,200.08 and 16,306.54

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Solution

The fourth proportional to 28,406.41, 39,200.08 and 16,306.54 is: 22,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.41 : 39,200.08 = 16,306.54 : x
  2. Step 2: Convert to fraction form
    28,406.41/39,200.08 = 16,306.54/x
  3. Step 3: Cross multiply
    28,406.41x = 39,200.08 × 16,306.54
  4. Step 4: Simplify right side
    28,406.41x = 639,217,672.52
  5. Step 5: Solve for x
    x = 639,217,672.52/28,406.41
  6. Step 6: Final answer
    x = 22,502.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.